docs: def get_queryset(self):
          """
          Optionally restricts the returned purchases analysis track to
          a given analysis and/or a given item,
          by filtering against `analysis` and `item` query parameters in the URL.
          The query parameters values should be the uuid of the analysis or of the item
          """
          queryset = self.model.objects.all()
          analysis_uuid = self.request.query_params.get('analysis', None)
          item_uuid = self.request.query_params.get('item', None)
          if analysis_uuid is not None:
              queryset = queryset.filter(analysis__uuid__startswith=analysis_uuid)
          if item_uuid is not None:
              queryset = queryset.filter(item__uuid__startswith=item_uuid)
  
          return queryset